Chemistry — Reaction Quotient & Le Chatelier

Q = \frac{[\text{C}]^c[\text{D}]^d}{[\text{A}]^a[\text{B}]^b}

Q < K \Rightarrow \text{shifts forward}

Q > K \Rightarrow \text{shifts reverse}

K = e^{-\Delta G^\circ / RT}